Pith Number

pith:ZDWSFAPM

pith:2022:ZDWSFAPMG7CZM5XHZRTHO5IJ4W

not attested not anchored not stored refs pending

Clinical trial site matching with improved diversity using fair policy learning

Brandon Theodorou, Cao Xiao, Cheng Qian, Jeffrey Spaeder, Jimeng Sun, Lucas Glass, Rakshith S Srinivasa

arxiv:2204.06501 v1 · 2022-04-13 · cs.LG · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDWSFAPMG7CZM5XHZRTHO5IJ4W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:14:34.530997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ed2281ec37c59676e7cc66777509e5b71b0a140c0d5907ead343339e243d4d

Aliases

arxiv: 2204.06501 · arxiv_version: 2204.06501v1 · doi: 10.48550/arxiv.2204.06501 · pith_short_12: ZDWSFAPMG7CZ · pith_short_16: ZDWSFAPMG7CZM5XH · pith_short_8: ZDWSFAPM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZDWSFAPMG7CZM5XHZRTHO5IJ4W \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c8ed2281ec37c59676e7cc66777509e5b71b0a140c0d5907ead343339e243d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61e7f793fb9a7055adbb2fbaa32c22e14e09f0f94748ad820f463debe2a24eec",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-13T16:35:28Z",
    "title_canon_sha256": "fec26f54a22e8f821c613d2e675dd7a6166a5362ee9c729565b4ab95f0c6ee30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.06501",
    "kind": "arxiv",
    "version": 1
  }
}